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| author | Soby Mathew <soby.mathew@arm.com> | 2020-01-24 10:04:10 +0000 |
|---|---|---|
| committer | TrustedFirmware Code Review <review@review.trustedfirmware.org> | 2020-01-24 10:04:10 +0000 |
| commit | 5f3ed6aaedac18d37980da13fd0d5ec49ef686fb (patch) | |
| tree | ee2512633b33c9e207a36c140643d9e4ac609c7b /lib | |
| parent | 4e1b0b193cad14ad2d67819ab34b3fa58f2e5c04 (diff) | |
| parent | f461fe346b728d0e88142fd7b8f2816415af18bc (diff) | |
| download | platform_external_arm-trusted-firmware-5f3ed6aaedac18d37980da13fd0d5ec49ef686fb.tar.gz platform_external_arm-trusted-firmware-5f3ed6aaedac18d37980da13fd0d5ec49ef686fb.tar.bz2 platform_external_arm-trusted-firmware-5f3ed6aaedac18d37980da13fd0d5ec49ef686fb.zip | |
Merge "Prevent speculative execution past ERET" into integration
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/cpus/aarch64/cortex_a76.S | 4 | ||||
| -rw-r--r-- | lib/cpus/aarch64/neoverse_n1.S | 4 | ||||
| -rw-r--r-- | lib/cpus/aarch64/wa_cve_2017_5715_mmu.S | 4 | ||||
| -rw-r--r-- | lib/el3_runtime/aarch64/context.S | 2 |
4 files changed, 7 insertions, 7 deletions
diff --git a/lib/cpus/aarch64/cortex_a76.S b/lib/cpus/aarch64/cortex_a76.S index 868667ebc..baefa4676 100644 --- a/lib/cpus/aarch64/cortex_a76.S +++ b/lib/cpus/aarch64/cortex_a76.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -85,7 +85,7 @@ bic x3, x2, #CORTEX_A76_CPUACTLR2_EL1_DISABLE_LOAD_PASS_STORE csel x3, x3, x1, eq msr CORTEX_A76_CPUACTLR2_EL1, x3 - eret /* ERET implies ISB */ + exception_return /* exception_return contains ISB */ .endif 1: /* diff --git a/lib/cpus/aarch64/neoverse_n1.S b/lib/cpus/aarch64/neoverse_n1.S index faf53a848..d058d98df 100644 --- a/lib/cpus/aarch64/neoverse_n1.S +++ b/lib/cpus/aarch64/neoverse_n1.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -553,7 +553,7 @@ func neoverse_n1_errata_ic_trap_handler */ esb #endif - eret + exception_return 1: ret endfunc neoverse_n1_errata_ic_trap_handler diff --git a/lib/cpus/aarch64/wa_cve_2017_5715_mmu.S b/lib/cpus/aarch64/wa_cve_2017_5715_mmu.S index 9277cc624..5134ee3f1 100644 --- a/lib/cpus/aarch64/wa_cve_2017_5715_mmu.S +++ b/lib/cpus/aarch64/wa_cve_2017_5715_mmu.S @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -48,7 +48,7 @@ vector_base wa_cve_2017_5715_mmu_vbar ccmp w0, w1, #0, eq /* Static predictor will predict a fall through */ bne 1f - eret + exception_return 1: .endif diff --git a/lib/el3_runtime/aarch64/context.S b/lib/el3_runtime/aarch64/context.S index 1bbd61005..9bd25bac9 100644 --- a/lib/el3_runtime/aarch64/context.S +++ b/lib/el3_runtime/aarch64/context.S @@ -534,6 +534,6 @@ func el3_exit */ esb #endif - eret + exception_return endfunc el3_exit |